Metric converter slide rule



FIG. 1 is a front elevational view of a metric converter slide rule showing my new design;

FIG. 2 is a top edge view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom edge view thereof; and

FIG. 5 is an end view thereof both ends being the same. 

The ornamental design for a metric converter slide rule, substantially as shown and described. 